Failure

Back to the iPhone today as i've been hectic.

I caught a couple of potential blips throughout the day however when i went back to look at them i found that the one that i took as an image of a failed bolt to email to my boss to be the best of the lot.

Elastic followed by plastic deformation, necking and finally failure in tension. Question mark over loss of section due to corrosion.

"Waller are you awake?"
B. Spender University Head of Mechanics of Materials